Is 42008 a prime number?

42 008 is an even number, because it is evenly divisible by 2: 42 008 / 2 = 21 004.

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• What is an even number?

A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 42 008 is about 204.959.

Thus, the square root of 42 008 is not an integer, and therefore 42 008 is not a square number.

The square of a number (here 42 008) is the result of the product of this number (42 008) by itself (i.e., 42 008 × 42 008); the square of 42 008 is sometimes called "raising 42 008 to the power 2", or "42 008 squared".

The square of 42 008 is 1 764 672 064 because 42 008 × 42 008 = 42 008² = 1 764 672 064.

As a consequence, 42 008 is the square root of 1 764 672 064.

42 008 is a number with 5 digits.

The multiples of 42 008 are all integers evenly divisible by 42 008, that is all numbers such that the remainder of the division by 42 008 is zero. There are infinitely many multiples of 42 008. The smallest multiples of 42 008 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 42 008 too, since 0 × 42 008 = 0
• 42 008: indeed, 42 008 is a multiple of itself, since 42 008 is evenly divisible by 42 008 (we have 42 008 / 42 008 = 1, so the remainder of this division is indeed zero)
• 84 016: indeed, 84 016 = 42 008 × 2
• 126 024: indeed, 126 024 = 42 008 × 3
• 168 032: indeed, 168 032 = 42 008 × 4
• 210 040: indeed, 210 040 = 42 008 × 5
• etc.

• Preceding numbers: …42 006, 42 007
• Following numbers: 42 009, 42 010…

Nearest numbers from 42 008

• Preceding prime number: 41 999
• Following prime number: 42 013

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• 42 008 est-il un nombre premier ?